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Finding the Fourth Proportional to 481,766.67, 664,809.26 and 266,891.22

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Solution

The fourth proportional to 481,766.67, 664,809.26 and 266,891.22 is: 368,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,766.67 : 664,809.26 = 266,891.22 : x
  2. Step 2: Convert to fraction form
    481,766.67/664,809.26 = 266,891.22/x
  3. Step 3: Cross multiply
    481,766.67x = 664,809.26 × 266,891.22
  4. Step 4: Simplify right side
    481,766.67x = 177,431,753,134.24
  5. Step 5: Solve for x
    x = 177,431,753,134.24/481,766.67
  6. Step 6: Final answer
    x = 368,293.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.